ssh protocol
Matthew Ghio
ghio at cmu.edu
Mon Jul 31 13:36:58 PDT 1995
Tatu Ylonen <ylo at cs.hut.fi> wrote:
> The basic idea behind the protocol goes roughly like this:
> 1. Exchange session keys using Diffie-Hellman
> 2. Each side sends a signature of the Diffie-Hellman exchange (the
> signature can be with any of a number of algorithms; RSA and
> Elliptic Curve systems have been defined).
I've been playing with the cryptotcp program available from utopia.. It
has some bugs but works pretty well, if you don't mind waiting 20-30
seconds at the beginning. It does a Diffie-Hellman exchange and 3DES over
telnet. How hard would it be to add some sort of authentication to this
program?
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